<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
    <title>后台管理</title>
</head>
<frameset cols="20%,80%">
    <frame src="left_frame.jsp" name="leftFrame">
    <frame src="right_frame.jsp" name="rightFrame">
</frameset>
</html>
